Patents by Inventor Robert E. Clague

Robert E. Clague has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of making a negative lead-acid storage battery plate
    Patent number: 4342343
    Abstract: A method of making a negative lead-acid storage battery plate wherein a gossamer mat of elongated, carbon/graphite fibers is bonded to a thin paper sheet which is thereafter applied to the face of the plate such that the carbon/graphite fibers lie contiguous the active material of the plate and serve to distribute the "formation" current more uniformly across the face of the unformed plate and into the regions of the unformed active material most remote from the conductive grid wires.
    Type: Grant
    Filed: March 25, 1981
    Date of Patent: August 3, 1982
    Assignee: General Motors Corporation
    Inventors: Robert E. Clague, Richard H. Hammar, Douglas J. Harvey
  • Lead-acid storage battery having Pb-Cd-Zn-Sn plate straps
    Patent number: 4169192
    Abstract: A maintenance-free, lead-acid storage battery including substantially antimony-free plate straps cast from an alloy consisting essentially of about 0.01 to about 1.5% by weight cadmium, about 0.4 to 1.5% by weight zinc, about 0.2 to 0.7% by weight tin and the balance lead.
    Type: Grant
    Filed: August 21, 1978
    Date of Patent: September 25, 1979
    Assignee: General Motors Corporation
    Inventors: Robert E. Clague, Richard H. Hammar